Vulnerability Database

289,784

Total vulnerabilities in the database

CVE-2021-3055

An improper restriction of XML external entity (XXE) reference vulnerability in the Palo Alto Networks PAN-OS web interface enables an authenticated administrator to read any arbitrary file from the file system and send a specifically crafted request to the firewall that causes the service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10; PAN-OS 10.0 versions earlier than PAN-OS 10.0.6. This issue does not affect Prisma Access.

  • Published: Sep 8, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-3055
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:S/C:P/I:N/A:C

CWEs:

OWASP TOP 10:

Software From Fixed in
paloaltonetworks / pan-os 9.1.0 9.1.10
paloaltonetworks / pan-os 9.0.0 9.0.14
paloaltonetworks / pan-os 8.1.0 8.1.20
paloaltonetworks / pan-os 10.0.0 10.0.6